AT89C4051-24PU

Product Summary

The AT89C4051-24PU is a Microcontroller. The AT89C4051-24PU is a low-voltage, high-performance CMOS 8-bit microcontroller with 4K bytes of Flash programmable and erasable read-only memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C4051-24PU is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89C4051-24PU provides the following standard features: 4K bytes of Flash, 128 bytes of RAM, 15 I/O lines, two 16-bit timer/counters, a five-vector, two-level interrupt architecture, a full duplex serial port, a precision analog comparator, on-chip oscillator and clock circuitry. In addition, the AT89C4051-24PU is designed with static logic for operation down to zero frequency and supports two software-selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port and interrupt system to continue functioning. The power-down mode saves the RAM contents but freezes the oscillator disabling all other chip functions until the next hardware reset.

Parametrics

AT89C4051-24PU absolute maximum ratings: (1)Operating Temperature: -55℃ to +125℃; (2)Storage Temperature: -65℃ to +150℃; (3)Voltage on Any Pin with Respect to Ground: -1.0V to +7.0V; (4)Maximum Operating Voltage: 6.6V; (5)DC Output Current: 25.0 mA.

Features

AT89C4051-24PU features: (1)2.7V to 6V Operating Range; (2)Fully Static Operation: 0 Hz to 24 MHz; (3)Two-level Program Memory Lock; (4)128 x 8-bit Internal RAM; (5)15 Programmable I/O Lines; (6)Two 16-bit Timer/Counters; (7)Six Interrupt Sources; (8)Programmable Serial UART Channel; (9)Direct LED Drive Outputs; (10)On-chip Analog Comparator; (11)Low-power Idle and Power-down Modes; (12)Brown-out Detection; (13)Power-On Reset (POR); (14)Green (Pb/Halide-free/RoHS Compliant) Packaging.

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